Write a for you (e.g., auto-drive, crashing, or gear shifting). Help you troubleshoot why a current car model isn't moving.
steerInput = Input.GetAxis("Horizontal");
HingeConstraint for propulsion and steering, and PrismaticConstraint or SpringConstraint for suspension.
void Update()
A robust "drive cars down a hill" script should include the following: 1. The Physics Foundation
-- Drive Down Hill Script for Roblox local vehicle = script.Parent local bodyForce = Instance.new("BodyForce") bodyForce.Force = Vector3.new(0, 0, 0) bodyForce.Parent = vehicle
// Optional: add drag Vector3 dragForce = -rb.velocity * dragCoefficient; rb.AddForce(dragForce, ForceMode.Force); drive cars down a hill script
-- Steering with downhill sensitivity local steerAmount = steer * (1 + math.abs(slopeAngle) * 0.8) bodyGyro.CFrame = car.CFrame * CFrame.Angles(0, steerAmount * 1.2, 0)
When multiple cars drive down a hill, physics calculations can become heavy. Use these optimisations:
: Gravity component overpowers braking or player input. Fix : Implement a slope‑based brake assist that automatically applies a small braking force when the slope exceeds a threshold (e.g., > 30 degrees). Write a for you (e
: In most game engines, gravity is handled by a physics component like a Rigidbody (Unity) or HumanoidRootPart (Roblox). For a car to gain speed naturally, you must ensure it has a high enough mass and low drag .
# Set up some constants WIDTH, HEIGHT = 800, 600 WHITE = (255, 255, 255) RED = (255, 0, 0) BLUE = (0, 0, 255)
For a basic automatic downhill script, you only need to apply a forward force based on slope angle and subtract resistance. void Update() A robust "drive cars down a
Do not stay in "Drive" (D) if the hill is steep. Move your shifter to a lower gear (e.g., L, 2, 1, or manual +/- mode) [3]. This allows the engine to hold the car back, preventing it from running away.